CVE-2026-59088 Gimp: gimp: denial of service via signed integer overflow in fli file processing
A signed integer overflow in GIMP's FLI file processing allows remote attackers to cause a denial of service via a crafted file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-59088?
CVE-2026-59088 is a medium-severity vulnerability in Gimp Gimp, published on 10 Aug 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A flaw was found in GIMP. A signed integer overflow vulnerability exists in the `file-fli` plugin when processing FLI image files. This occurs due to an incorrect calculation during memory allocation for image buffers, where the multiplication of image width and height can exceed the maximum integer value. A remote attacker could exploit this by tricking a user into opening a specially crafted FLI file, leading to the application crashing and resulting in a denial of service.
Weakness: CWE-190
Which versions are affected by CVE-2026-59088?
It affects 2 products.
Products include Gimp Gimp, Redhat Enterprise Linux.
How do I fix CVE-2026-59088?
Apply the vendor's patch.
Is CVE-2026-59088 being exploited?
There is no known exploitation of CVE-2026-59088 in the wild and no public exploit code.
Other vulnerabilities in Gimp Gimp
Sources
Also known as CLSA-2026-1787682600, CLSA-2026-1787683852, DEBIAN-CVE-2026-59088, GHSA-rm5p-w89v-vxg2, UBUNTU-CVE-2026-59088.